2002002121982 has 8 divisors (see below), whose sum is σ = 3005343797256. Its totient is φ = 1000220856232.

The previous prime is 2002002121981. The next prime is 2002002122023. The reversal of 2002002121982 is 2891212002002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002002121981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390099173 + ... + 390104304.

It is an arithmetic number, because the mean of its divisors is an integer number (375667974657).

Almost surely, 2^{2002002121982} is an apocalyptic number.

2002002121982 is a deficient number, since it is larger than the sum of its proper divisors (1003341675274).

2002002121982 is a wasteful number, since it uses less digits than its factorization.

2002002121982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780204762.

The product of its (nonzero) digits is 2304, while the sum is 29.

Adding to 2002002121982 its reverse (2891212002002), we get a palindrome (4893214123984).

The spelling of 2002002121982 in words is "two trillion, two billion, two million, one hundred twenty-one thousand, nine hundred eighty-two".